🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.7

Radius: 13.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.55 AU - 0.69 AU

Year: 337 Days

Day: 13.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,300,500 km

• M1: 167,998 km (0.104 R)
• M2: 596,447 km (0.094 R)
• M3: 1,174,792 km (0.056 R)
• M4: 1,817,614 km (0.059 R)
• M5: 2,324,153 km (0.066 R)
• M6: 3,241,337 km (0.05 R)
• M7: 3,919,763 km (0.119 R)
• M8: 4,414,484 km (0.113 R)
• M9: 5,174,291 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 12.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.53 AU - 0.79 AU

Year: 370 Days

Day: 6.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,300,500 km

• M1: 159,322 km (0.103 R)
• M2: 600,037 km (0.069 R)
• M3: 1,013,226 km (0.111 R)
• M4: 1,482,216 km (0.068 R)
• M5: 2,205,970 km (0.098 R)
• M6: 2,669,724 km (0.06 R)
• M7: 3,333,190 km (0.119 R)
• M8: 3,834,642 km (0.108 R)
• M9: 4,783,392 km (0.069 R)
• M10: 5,504,304 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.2

Radius: 8.2

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.74 AU - 0.78 AU

Year: 457 Days

Day: 10.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,300,500 km

• M1: 102,026 km (0.04 R)
• M2: 409,300 km (0.112 R)
• M3: 759,359 km (0.096 R)
• M4: 1,216,829 km (0.051 R)
• M5: 1,522,757 km (0.077 R)
• M6: 2,096,764 km (0.083 R)
• M7: 2,925,686 km (0.119 R)
• M8: 3,657,070 km (0.1 R)
• M9: 4,038,544 km (0.096 R)
• M10: 4,534,311 km (0.068 R)
• M11: 5,698,482 km (0.107 R)
• M12: 6,067,540 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 14.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.7 AU - 1.16 AU

Year: 619 Days

Day: 8.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,300,500 km

• M1: 179,517 km (0.104 R)
• M2: 644,468 km (0.043 R)
• M3: 1,101,639 km (0.101 R)
• M4: 1,642,884 km (0.119 R)
• M5: 2,183,082 km (0.102 R)
• M6: 2,808,700 km (0.113 R)
• M7: 3,262,281 km (0.09 R)
• M8: 3,944,148 km (0.076 R)
• M9: 4,455,623 km (0.099 R)
• M10: 5,127,916 km (0.068 R)
• M11: 6,497,484 km (0.078 R)
• M12: 6,963,033 km (0.118 R)

Asteroid Belt

Center: 1.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 9.6

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.48 AU - 1.68 AU

Year: 1371 Days

Day: 12.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 143 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,300,500 km

• M1: 119,678 km (0.096 R)
• M2: 509,530 km (0.107 R)
• M3: 858,393 km (0.115 R)
• M4: 1,702,125 km (0.115 R)
• M5: 2,187,570 km (0.049 R)
• M6: 2,776,387 km (0.071 R)
• M7: 3,641,511 km (0.11 R)
• M8: 4,128,004 km (0.034 R)
• M9: 4,525,485 km (0.114 R)
• M10: 5,697,734 km (0.078 R)
• M11: 9,072,064 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 13.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.5 AU - 2.3 AU

Year: 1808 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,300,500 km

• M1: 167,998 km (0.111 R)
• M2: 626,067 km (0.061 R)
• M3: 1,170,903 km (0.073 R)
• M4: 1,660,836 km (0.112 R)
• M5: 2,158,548 km (0.106 R)
• M6: 2,983,879 km (0.09 R)
• M7: 3,661,557 km (0.117 R)
• M8: 5,110,263 km (0.078 R)
• M9: 5,777,320 km (0.082 R)
• M10: 6,253,789 km (0.043 R)
• M11: 7,232,010 km (0.036 R)
• M12: 7,958,308 km (0.08 R)
• M13: 9,754,529 km (0.056 R)
• M14: 10,397,950 km (0.043 R)
• M15: 10,890,127 km (0.067 R)
• M16: 11,360,911 km (0.065 R)
• M17: 13,096,845 km (0.083 R)
• M18: 14,348,680 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.1

Radius: 7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.31 AU - 8.21 AU

Year: 14921 Days

Day: 18 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,300,500 km

• M1: 90,208 km (0.095 R)
• M2: 340,335 km (0.115 R)
• M3: 2,487,214 km (0.094 R)
• M4: 3,089,645 km (0.12 R)
• M5: 3,416,965 km (0.099 R)
• M6: 8,326,169 km (0.081 R)
• M7: 8,928,899 km (0.109 R)
• M8: 9,662,526 km (0.094 R)
• M9: 15,300,421 km (0.101 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 11,854 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit